Home / 9,430,752,855.20-14,146,129,282.80-8,378,641,392.80

Finding the Fourth Proportional to 9,430,752,855.20, 14,146,129,282.80 and 8,378,641,392.80

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Solution

The fourth proportional to 9,430,752,855.20, 14,146,129,282.80 and 8,378,641,392.80 is: 12,567,962,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430,752,855.20 : 14,146,129,282.80 = 8,378,641,392.80 : x
  2. Step 2: Convert to fraction form
    9,430,752,855.20/14,146,129,282.80 = 8,378,641,392.80/x
  3. Step 3: Cross multiply
    9,430,752,855.20x = 14,146,129,282.80 × 8,378,641,392.80
  4. Step 4: Simplify right side
    9,430,752,855.20x = 118,525,344,356,768,251,904
  5. Step 5: Solve for x
    x = 118,525,344,356,768,251,904/9,430,752,855.20
  6. Step 6: Final answer
    x = 12,567,962,089.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.